GHP
™
Reactor
Hydraulic
Installation Instructions
Important Safety Information
WARNING
See the Important Safety and Product Information guide in the
product box for product warnings and other important
information.
You are responsible for the safe and prudent operation of your
vessel. The autopilot is a tool that enhances your capability to
operate your boat. It does not relieve you of the responsibility of
safely operating your boat. Avoid navigational hazards and
never leave the helm unattended.
Always be prepared to promptly regain manual control of your
boat.
Learn to operate the autopilot on calm and hazard-free open
water.
Use caution when operating the autopilot near hazards in the
water, such as docks, pilings, and other boats.
CAUTION
When in use, beware of hot motor and solenoid components
and the risk of entrapment from moving parts.
Failure to install and maintain this equipment in accordance with
these instructions could result in damage or injury.
NOTICE
To avoid damage to your boat, the autopilot system should be
installed by a qualified marine installer. Specific knowledge of
hydraulic steering componentry and marine electrical systems is
required for proper installation.
Installation Preparation
The autopilot system consists of multiple components. You
should familiarize yourself with all of the component mounting
and connection considerations before beginning installation. You
must know how the components operate together in order to
correctly plan the installation on your boat.
You can consult the layout diagrams (Power and Data Layout)
to help understand the mounting and connection considerations.
You should lay out all of the components on the boat as you
plan the installation to make sure your cables will reach each
component. If needed, extension cables (sold separately) for
various components are available from your Garmin
®
dealer or
from www.garmin.com.
You should record the serial number of each component for
registration and warranty purposes.
Tools Needed
• Safety glasses
• Drill and drill bits
• Wrenches
• 90 mm (3.5 in.) hole saw or a rotary cutting tool
• Wire cutters/strippers
• Phillips and flat screwdrivers
• Cable ties
• Waterproof wire connectors (wire nuts) or heat-shrink tubing
and a heat gun
• Marine sealant
• Marine corrosion inhibitor spray
• Portable or handheld compass (to test for magnetic
interference)
• Hydraulic hose with machine-crimped or field-replaceable
fittings that have a minimum rating of 1000 lbf/in
2
• Hydraulic T-fittings
• Inline hydraulic shut-off valves
• Hydraulic fluid
• Thread sealant
• Hydraulic bleeding equipment
• Anti-seize lubricant (optional)
NOTE: Mounting screws are provided for the main components
of the autopilot system. If the provided screws are not
appropriate for the mounting surface, you must provide the
correct types of screws.
Mounting and Connection Considerations
The autopilot components connect to each other and to power
using the included cables. Ensure that the correct cables reach
each component and that each component is in an acceptable
location before mounting or wiring any components.
Helm Control Mounting Considerations
NOTICE
This device should be mounted in a location that is not exposed
to extreme temperatures or conditions. The temperature range
for this device is listed in the product specifications. Extended
exposure to temperatures exceeding the specified temperature
range, in storage or operating conditions, may cause device
failure. Extreme-temperature-induced damage and related
consequences are not covered by the warranty.
The mounting surface must be flat to avoid damaging the device
when it is mounted.
Using the included hardware and template, you can flush mount
the device in the dashboard. If you want to mount the device
using an alternative method where it appears flat with the front
of the dashboard, you must purchase a flat-mount kit
(professional installation recommended) from your Garmin
dealer.
When selecting a mounting location, observe these
considerations.
• The mounting location should be at or below eye level to
provide optimal viewing as you operate your vessel.
• The mounting location should allow easy access to the keys
on the device.
• The mounting surface must be strong enough to support the
weight of the device and protect it from excessive vibration or
shock.
• To avoid interference with a magnetic compass, the device
should not be installed closer to a compass than the
compass-safe distance value listed in the product
specifications.
May 2015
Printed in Taiwan 190-01768-02_0B
• The area behind the mounting surface must allow room for
the routing and connection of the cables.
Helm Control Connection Considerations
• The helm control must connect to the NMEA 2000
®
network.
• Optional NMEA
®
0183 devices, such as wind sensors, water-
speed sensors, or GPS devices can be connected to the
helm control using a data cable (NMEA 0183 Connection
Considerations).
CCU Mounting and Connection Considerations
• The CCU is the primary sensor of the GHP Reactor Hydraulic
autopilot system. For best performance, observe these
considerations when selecting a mounting location.
◦ A handheld compass should be used to test for magnetic
interference in the area where the CCU is to be mounted.
If the needle on a handheld compass moves when you
hold it where you intend to mount the CCU, magnetic
interference is present. You must choose another location
and test again.
◦ The CCU should be mounted on a rigid surface for best
performance.
◦ Although the CCU can be installed in any orientation on
your boat, you can avoid the step of defining north in the
setup procedure by meeting all of these considerations
when selecting a mounting location (optional).
◦ The connectors on the CCU must point toward the
bow.
◦ The base of the CCU must be at a right angle to the roll
and pitch axis of the boat.
◦ The CCU must be located near the center of rotation of
the boat, slightly toward the front, if necessary.
• The CCU cable connects the CCU to the ECU and is 5 m
(16 ft.) long.
◦ If the CCU cannot be mounted within 5 m (16 ft.) of the
ECU, extension cables are available from your local
Garmin dealer or at www.garmin.com.
◦ This cable must not be cut.
Finding the Best Mounting Location
1
Create a list of all suitable mounting locations for the CCU
where no iron, magnets, or high-current wires are located
within 60 cm (2 ft.).
A large magnet, such as a subwoofer-speaker magnet should
be no closer than 1.5 m (5 ft.) to these locations.
2
Locate the center of rotation of the boat, and measure the
distance between the center of rotation and each of the
suitable mounting locations you listed in step 1.
3
Select the location closest to the center of rotation.
If more than one location is approximately the same distance
from the center of rotation, you should select the location that
best meets these considerations.
• The best location is closest to the centerline of the boat.
• The best location is lower in the boat.
• The best location is slightly forward in the boat.
ECU Mounting and Connection Considerations
• The ECU can be mounted on a flat surface, facing any
direction.
• Mounting screws are included with the ECU, but you may
need to provide different screws if the supplied screws are
not suitable for the mounting surface.
• The ECU must be located within 0.5 m (19 in.) of the pump.
◦ The cables connecting the ECU to the pump cannot be
extended.
• The ECU must be mounted in a location where it will not be
submerged or exposed to wash down.
• The ECU power cable connects to the boat battery, and it
can be extended if needed (Power Cable Extensions).
Shadow Drive
™
Mounting Considerations
NOTE: The Shadow Drive is a sensor you install in the hydraulic
steering lines of your boat. It detects when you manually take
control of the helm and suspends autopilot control of the boat.
• The Shadow Drive must be mounted horizontally and as level
as possible, with cable ties firmly securing it in place.
• The Shadow Drive must be mounted at least 305 mm (12 in.)
away from magnetic materials or devices, such as speakers
or electric motors.
• The Shadow Drive should be mounted closer to the helm
than to the pump.
• The Shadow Drive should be mounted lower than the helm,
but higher than the pump.
• The Shadow Drive must not be connected directly to the
fitting at the back of the helm. There must be a length of hose
between the fitting at the helm and the Shadow Drive.
• The Shadow Drive must not be connected directly to a
hydraulic T-connector in the hydraulic line. There must be a
length of hose between a T-connector and the Shadow Drive.
• In a single-helm installation, there must not be a T-connector
between the helm and the Shadow Drive.
• In a dual-helm installation, the Shadow Drive should be
installed between the pump and the hydraulic T-connector
that leads to the upper and lower helm, closer to the helm
than to the T-connector.
• The Shadow Drive must be installed in either the starboard
steering line or the port steering line.
The Shadow Drive must not be installed in either the return
line or the high-pressure line, if applicable.
Alarm Mounting and Connection Considerations
• The alarm should be mounted near the primary helm station.
• The alarm can be mounted under the dashboard.
• If needed, the alarm wires can be extended with 28 AWG
(0.08 mm
2
) wire.
NMEA 2000 Connection Considerations
• The CCU and the helm control must connect to a NMEA
2000 network.
• If your boat does not already have a NMEA 2000 network,
one can be built using the included NMEA 2000 cables and
connectors (Building a Basic NMEA 2000 Network for the
Autopilot System).
• To use the advanced features of the autopilot, optional
NMEA 2000 devices, such as a wind sensor, a water-speed
sensor, or a GPS device, can be connected to the NMEA
2000 network.
Power and Data Layout
WARNING
When connecting the power cable, do not remove the in-line
fuse holder. To prevent the possibility of injury or product
damage caused by fire or overheating, the appropriate fuse
must be in place as indicated in the product specifications. In
addition, connecting the power cable without the appropriate
fuse in place will void the product warranty.
2
Item Description Important Considerations
À
Helm control
Á
Helm control
data cable
This cable should be installed only if you are
connecting the autopilot to optional NMEA 0183
devices, such as a wind sensor, a water-speed
sensor, or a GPS device (NMEA 0183
Connection Considerations).
Â
NMEA 2000
power cable
This cable should be installed only if you are
building a NMEA 2000 network. Do not install
this cable if there is an existing NMEA 2000
network on your boat.
The NMEA 2000 power cable must be
connected to a 9 to 16 Vdc power source.
Ã
NMEA 2000
network
The helm control and the CCU must be
connected to a NMEA 2000 network using the
included T-connectors (NMEA 2000 Connection
Considerations).
If there is not an existing NMEA 2000 network
on your boat, you can build one using the
supplied cables and connectors (Building a
Basic NMEA 2000 Network for the Autopilot
System).
Ä
ECU
Å
CCU The CCU can be mounted in a non-submerged
location near the center of the boat, in any
orientation (CCU Mounting and Connection
Considerations).
The CCU must be located away from sources of
magnetic interference.
Æ
ECU power
cable
The ECU must be connected to a 12 to 24 Vdc
power source. To extend this cable, use the
correct wire gauge (Power Cable Extensions).
Ç
CCU cable To extend this cable to reach the ECU,
extensions (sold separately) may be necessary
(CCU Mounting and Connection
Considerations).
This cable connects to the alarm and the
Shadow Drive.
È
Pump This diagram shows only the electrical
connections for the pump (sold separately).
Detailed installation instructions are included
with the pump.
É
Alarm The alarm provides audible alerts from the
autopilot system, and should be installed near
the helm control (Installing the Alarm).
Shadow Drive The Shadow Drive must be installed properly in
the hydraulic steering line, and connected to the
CCU cable (Installing the Shadow Drive).
Component Layout
Single-Helm Layout
NOTE: This diagram is for planning purposes only. If needed,
specific connection diagrams are included in the detailed
installation instructions for each component.
Hydraulic connections are not shown in this diagram.
Item Description Important Considerations
À
Helm control
Á
Pump
Â
ECU
Ã
12 to 24 Vdc
battery
The ECU must be connected to a 12 to 24 Vdc
power source. To extend this cable, use the
correct wire gauge (Power Cable Extensions).
The NMEA 2000 power cable must be
connected to a 9 to 16 Vdc power source.
Ä
CCU The CCU can be mounted in a non-submerged
location near the center of the boat, in any
orientation (CCU Mounting and Connection
Considerations).
The CCU must be located away from sources of
magnetic interference.
Å
NMEA 2000
network
The helm control and the CCU must be
connected to a NMEA 2000 network using the
included T-connectors (NMEA 2000 Connection
Considerations).
If there is not an existing NMEA 2000 network
on your boat, you can build one using the
supplied cables and connectors (Building a
Basic NMEA 2000 Network for the Autopilot
System).
Dual-Helm Layout Guidelines
NOTE: This diagram is for planning purposes only. If needed,
specific connection diagrams are included in the detailed
installation instructions for each component.
Hydraulic connections are not shown in this diagram.
Item Description Important Considerations
À
Helm control
Á
12 to 24 Vdc
battery
The ECU must be connected to a 12 to 24 Vdc
power source. To extend this cable, use the
correct wire gauge (Power Cable Extensions).
The NMEA 2000 power cable must be
connected to a 9 to 16 Vdc power source.
Â
Pump
Ã
ECU
3
Item Description Important Considerations
Ä
NMEA 2000
network
The helm control and the CCU must be
connected to a NMEA 2000 network using the
included T-connectors (NMEA 2000 Connection
Considerations).
If there is not an existing NMEA 2000 network
on your boat, you can build one using the
supplied cables and connectors (Building a
Basic NMEA 2000 Network for the Autopilot
System).
Å
CCU The CCU can be mounted in a non-submerged
location near the center of the boat, in any
orientation (CCU Mounting and Connection
Considerations).
The CCU must be located away from sources of
magnetic interference.
Installation Procedures
CAUTION
Always wear safety goggles, ear protection, and a dust mask
when drilling, cutting, or sanding.
NOTICE
When drilling or cutting, always check what is on the opposite
side of the surface.
After you have planned the autopilot installation on your boat
and satisfied all of the mounting and wiring considerations for
your particular installation, you can begin mounting and
connecting the components.
Helm Control Installation
You must Install the helm control by flush-mounting it in the
dashboard near the helm and connecting it to a NMEA 2000
network.
To use advanced features of the autopilot, optional NMEA 2000-
compatible or NMEA 0183-compatible devices, such as a wind
sensor, water-speed sensor, or GPS device, can be connected
to the NMEA 2000 network or connected to the helm control
through NMEA 0183.
Mounting the Helm Control
NOTICE
If you are mounting the device in fiberglass, when drilling the
four pilot holes, it is recommended to use a countersink bit to
drill a clearance counterbore through only the top gel-coat layer.
This will help to avoid any cracking in the gel-coat layer when
the screws are tightened.
Stainless-steel screws may bind when screwed into fiberglass
and overtightened. Garmin recommends applying an anti-seize
lubricant to the screws before installing them.
Before you can mount the helm control, you must select a
mounting location (Helm Control Mounting Considerations).
1
Trim the flush-mount template and ensure it fits in the
selected mounting location.
The flush-mount template is included in the helm control
product box.
2
Secure the template to the selected mounting location.
3
If you plan to cut the hole with a rotary cutting tool instead of
a 90 mm (3.5 in.) hole saw, use a 10 mm (3/8 in.) drill bit to
drill a pilot hole as indicated on the template to begin cutting
the mounting surface.
4
Using the hole saw or rotary cutting tool, cut the mounting
surface along the inside of the dashed line indicated on the
template.
5
If necessary, use a file and sandpaper to refine the size of
the hole.
6
Place the helm control into the cutout to confirm that the four
mounting holes on the template are in the correct locations.
7
If the mounting holes are not correct, mark the correct
locations of the four mounting holes.
8
Remove the helm control from the cutout.
9
Drill the four 2.8 mm (
7
/
64
in.) pilot holes.
If you are mounting the helm control in fiberglass, you should
use a countersink bit as advised in the notice.
10
Remove the remainder of the template.
11
Place the included gasket on the back of the device.
You can apply marine sealant around the gasket to prevent
leakage behind the dashboard (optional).
12
Place the helm control into the cutout.
13
Securely fasten the helm control to the mounting surface
using the supplied screws.
If you are mounting the helm control in fiberglass, you should
use an anti-seize lubricant as advised in the notice.
14
Snap the decorative bezel
À
into place.
Mounting the CCU
1
Determine the mounting location.
2
Using the CCU as a template, mark the two pilot hole
locations on the mounting surface.
3
Using a 3 mm (
1
/
8
in.) bit, drill the pilot holes.
4
Use the included screws to attach the CCU to the mounting
surface.
ECU Installation
Mounting the ECU
Before you can mount the ECU, you must select a location and
determine the correct mounting hardware (ECU Mounting and
Connection Considerations).
1
Hold the ECU in the intended mounting location and mark the
locations of the mounting holes on the mounting surface,
using the ECU as a template.
2
Using a drill bit appropriate for the mounting surface and
selected mounting hardware, drill the four holes through the
mounting surface.
3
Secure the ECU to the mounting surface using the selected
mounting hardware.
Connecting the ECU to Power
WARNING
When connecting the power cable, do not remove the in-line
fuse holder. To prevent the possibility of injury or product
damage caused by fire or overheating, the appropriate fuse
must be in place as indicated in the product specifications. In
addition, connecting the power cable without the appropriate
fuse in place will void the product warranty.
You should connect the ECU power cable directly to the boat
battery, if possible. Although it is not recommended, if you
connect the power cable to a terminal block or other source, you
must connect it through a 40 A fuse.
4
If you plan to route the ECU power through a breaker or a switch
near the helm, you should consider using an appropriately sized
relay and control wire instead of extending the ECU power
cable.
1
Route the connector-terminated end of the ECU power cable
to the ECU, but do not connect it to the ECU.
2
Route the bare-wire end of the ECU power cable to the boat
battery.
If the wire is not long enough, it can be extended (Power
Cable Extensions).
3
Connect the black wire (-) to the negative (-) terminal of the
battery, and connect the red wire (+) to the positive (+)
terminal of the battery.
4
After you install all of the other autopilot components,
connect the power cable to the ECU.
Power Cable Extensions
If necessary, the power cable can be extended using the
appropriate wire gauge for the length of the extension.
Item Description
À
Fuse
Á
Battery
Â
9 ft. (2.7 m) no extension
Item Description
À
Splice
Á
10 AWG (5.26 mm²) extension wire
Â
Fuse
Ã
8 in. (20.3 cm)
Ä
Battery
Å
8 in. (20.3 cm)
Æ
Up to 15 ft. (4.6 m)
Item Description
À
Splice
Á
8 AWG (8.36 mm²) extension wire
Â
Fuse
Ã
8 in. (20.3 cm)
Ä
Battery
Å
8 in. (20.3 cm)
Æ
Up to 23 ft. (7 m)
Item Description
À
Splice
Á
6 AWG ( 13.29 mm²) extension wire
Â
Fuse
Item Description
Ã
8 in. (20.3 cm)
Ä
Battery
Å
8 in. (20.3 cm)
Æ
Up to 36 ft. (11 m)
Installing the Pump
The pump (sold separately) must be installed in your hydraulic
steering lines so the GHP Reactor Hydraulic autopilot can steer
your boat. When you purchase a pump sold by Garmin, it will
have the correct cables, connectors, and instructions.
Follow the installation instructions provided with your pump to
mount it and connect it to your hydraulic steering system
correctly.
Bleeding the Hydraulics
NOTICE
This is a general procedure for bleeding a hydraulic steering
system. Refer to the instructions provided by the manufacturer
of the steering system for more-specific information about
bleeding the system.
Before you bleed the hydraulic system, you should verify that all
hose connections are complete and fully tightened.
1
Select an option:
• If the helm reservoir contains insufficient fluid, fill it as
needed.
• If the helm reservoir contains excess fluid, remove the
excess to avoid fluid overflow during the bleeding process.
2
Insert a bypass hose between the cylinder bleed ports.
TIP: If you use a clear plastic hose for this bypass, you can
observe air bubbles during the bleeding processes.
3
Manually steer the helm fully to port.
4
Open both bypass valves at the cylinder fittings.
5
Manually turn the helm slowly to port over three minutes.
TIP: You can stop turning when you no longer see air moving
through the bypass hose.
6
Turn on the autopilot system and disable the Shadow Drive.
You can refer to the autopilot system documentation for more
information on disabling the Shadow Drive.
7
Hold (port) on the helm control for at least 10 seconds.
TIP: You can stop holding when you no longer see air
moving through the bypass hose.
8
Close both bypass valves at the cylinder fittings.
9
If necessary, add fluid to the helm reservoir.
10
Repeat steps 3 through 9 for the starboard side.
11
Hold (port) on the helm control until steering stops and
Hydraulic Pump Stall is shown on the helm control.
12
Hold (starboard) on the helm control until steering stops
and Hydraulic Pump Stall is shown on the helm control.
13
Select an option:
• If Hydraulic Pump Stall is not shown within 2 to 3
seconds after the cylinder stops, repeat steps 1-13 to
bleed the system again.
• If Hydraulic Pump Stall is shown within 2 to 3 seconds
after the cylinder stops, the system bleed completed
successfully.
After hydraulic bleeding is complete, you can re-enable the
Shadow Drive.
5
Corrosion Blocker
NOTICE
To ensure long life of all parts, apply corrosion blocker to the
pump at least twice yearly.
A marine-rated corrosion blocker should be applied to the pump
after all hydraulic and electrical connections are made and the
hydraulic system has been bled.
Connecting the CCU
1
Route the connector end of the CCU cable to the ECU and
make the connection.
2
Route the orange and blue wires from the bare-wire portion
of the CCU cable to the location where you plan to install the
alarm (Installing the Alarm).
If the cable is not long enough, extend the appropriate wires
with 0.08 mm
2
(28 AWG) wire.
3
Route the brown and black wires from the bare-wire portion
of the CCU cable to the location where you plan to install the
Shadow Drive (Installing the Shadow Drive).
If the cable is not long enough, extend the appropriate wires
with 0.08 mm
2
(28 AWG) wire.
Installing the Shadow Drive
Connecting the Shadow Drive to the Hydraulic System
Before you can install the Shadow Drive, you must select a
location at which to connect the Shadow Drive to the hydraulic
steering of your boat (Shadow Drive
™
Mounting Considerations).
For further assistance, consult the hydraulic-layout diagrams
included with your pump.
Use hydraulic connectors (not included) to install the Shadow
Drive in the appropriate hydraulic line.
Connecting the Shadow Drive to the CCU
1
Route the bare-wire end of the CCU cable to the Shadow
Drive.
If the cable is not long enough, extend the appropriate wires
with 28 AWG (0.08 mm²) wire.
2
Connect the cables, based on this table.
Shadow Drive Wire Color CCU Cable Wire Color
Red (+) Brown (+)
Black (-) Black (-)
3
Solder and cover all bare-wire connections.
Installing the Alarm
Before you can mount the alarm, you must select a mounting
location (Alarm Mounting and Connection Considerations).
1
Route the alarm cable to the bare-wire end of the CCU cable.
If the cable is not long enough, extend the appropriate wires
with 28 AWG (0.08 mm
2
) wire.
2
Connect the cables, based on this table.
Alarm Wire Color CCU Cable Wire Color
White (+) Orange (+)
Black (-) Blue (-)
3
Solder and cover all bare-wire connections.
4
Secure the alarm with cable ties or other mounting hardware
(not included).
NMEA 2000 and the Autopilot Components
NOTICE
If you have an existing NMEA 2000 network on your boat, it
should already be connected to power. Do not connect the
NMEA 2000 power cable to an existing NMEA 2000 network,
because only one power source should be connected to a
NMEA 2000 network.
You can connect the helm control and the CCU through an
existing NMEA 2000 network. If you do not have an existing
NMEA 2000 network on your boat, all the parts needed to build
one are supplied in the autopilot package (Building a Basic
NMEA 2000 Network for the Autopilot System).
To use advanced features of the autopilot, optional NMEA 2000
devices, such as a GPS device, can be connected to the NMEA
2000 network.
If you are unfamiliar with NMEA 2000, you should read the
“NMEA 2000 Network Fundamentals” chapter of the Technical
Reference for NMEA 2000 Products. To download this
document, select Manuals on the product page for your device
at www.garmin.com.
Building a Basic NMEA 2000 Network for the Autopilot
System
NOTICE
If you are installing a NMEA 2000 power cable, you must
connect it to the boat ignition switch or through another in-line
switch. NMEA 2000 devices will drain your battery if the NMEA
2000 power cable is connected to the battery directly.
1
Connect the three T-connectors
À
together side-by-side.
2
Connect the included NMEA 2000 power cable
Á
to a 9 to
12 Vdc power source
Â
through a switch
Ã
.
Connect the power cable to the ignition switch of the boat if
possible, or route it through an inline switch (not included).
NOTE: The braided drain wire (bare) on the NMEA 2000
power cable must be connected to the same ground as the
black wire on the NMEA 2000 power cable.
3
Connect the NMEA 2000 power cable to one of the T-
connectors.
4
Connect one of the included NMEA 2000 drop cables
Ä
to
one of the T-connectors and to the helm control
Å
.
5
Connect the other included NMEA 2000 drop cable to the
other T-connector and to the CCU
Æ
.
6
Connect the male and female terminators
Ç
to each end of
the combined T-connectors.
Connecting the Autopilot Components to an Existing NMEA
2000 Network
1
Determine where to connect the helm control
À
and the CCU
Á
to your existing NMEA 2000 backbone
Â
.
6
2
In the location where you want to connect the helm control,
disconnect one side of a NMEA 2000 T-connector
Ã
from the
network.
3
If necessary, connect a NMEA 2000 backbone extension
cable (not included) to the side of the disconnected T-
connector to extend the NMEA 2000 network backbone.
4
Add an included T‑connector for the helm control to the
NMEA 2000 backbone by connecting it to the side of the
disconnected T‑connector or backbone extension cable.
5
Route the included drop cable
Ä
to the helm control and to
the bottom of the T-connector added in step 4.
If the included drop cable is not long enough, you can use a
drop cable up to 6 m (20 ft.) long (not included).
6
Connect the drop cable to the helm control and the T-
connector.
7
Repeat steps 2 through 6 for the CCU.
Connecting Optional NMEA 2000 Devices to the
Autopilot System
You can use advanced features of the autopilot system by
connecting optional NMEA 2000 compatible devices, such as a
wind sensor, a water-speed sensor, or a GPS device to the
NMEA 2000 network.
NOTE: You can connect optional devices that are not NMEA
2000 compatible to the helm control through NMEA 0183
(NMEA 0183 Connection Considerations).
1
Add an additional T-connector (not included) to the NMEA
2000 network.
2
Connect the optional NMEA 2000 device to the T-connector
by following the instructions provided with the device.
Configuring the Autopilot
The autopilot must be configured and tuned to your boat
dynamics. The Dockside Wizard and the Sea Trial Wizard on
the helm control are used to configure the autopilot. These
wizards walk you through the necessary configuration steps.
The Dockside Wizard
NOTICE
If you perform the Dockside Wizardwhile your boat is out of the
water, provide rudder-movement clearance to avoid damage to
the rudder or other objects.
You can complete the Dockside Wizard while the boat is in or
out of the water.
If the boat is in the water, it must be stationary while you
complete the wizard.
Performing the Dockside Wizard
NOTICE
If you have a boat with a power assist steering system, turn on
the power assist steering system before performing the
Dockside Wizard to avoid damaging the steering system.
1
Turn on the autopilot.
The first time you turn on the autopilot, you are prompted to
complete a short setup sequence.
2
If the Dockside Wizard does not start automatically after the
setup sequence, select Menu > Setup > Dealer Autopilot
Setup > Wizards > Dockside Wizard.
3
Select the vessel type.
4
Test the steering direction (Testing the Steering Direction).
5
If necessary, select the speed source (Selecting the Speed
Source).
6
If necessary, verify the tachometer (Verifying the
Tachometer).
7
Review the results of the Dockside Wizard (Reviewing the
Results of the Dockside Wizard).
Testing the Steering Direction
1
While moving at a low rate of speed, select and .
When you select , the rudder must turn the boat to the left.
When you select , the rudder must turn the boat to the
right.
2
Select Continue.
3
Select an option:
• If the steering test turns the boat in the correct direction,
select Yes.
• If the steering test turns the boat in the opposite direction,
select No and repeat steps 1 though 3.
Selecting the Speed Source
Select an option:
• If you connected a NMEA 2000 compatible engine (or
engines) to the NMEA 2000 network, select Tach. - NMEA
2000 or Proprietary.
• If NMEA 2000 tachometer data source is not available or
unusable, select GPS as a speed source.
• If you did not connect a NMEA 2000 tachometer or GPS
device as a speed source, select None.
NOTE: If the autopilot does not perform well using None
as the speed source, Garmin recommends connecting a
tachometer through the NMEA 2000 network or using a
GPS device as the speed source.
Verifying the Tachometer
This procedure does not appear when GPS or None is selected
as the speed source.
With the engine (or engines) running, compare the RPM
readings on the helm control with the tachometer (or
tachometers) on the dashboard of your boat.
If the RPM numbers do not align, there may be a problem
with the NMEA 2000 speed source or connection.
Reviewing the Results of the Dockside Wizard
The helm control displays the values you chose when you ran
the Dockside Wizard.
1
Examine the results of the Dockside Wizard.
2
Select any incorrect value, and select Select.
3
Correct the value.
4
Repeat steps 2–3 for all incorrect values.
5
When you are finished reviewing the values, select Done.
7
The Sea Trial Wizard
The Sea Trial Wizard configures the fundamental sensors on the
autopilot, and it is extremely important to complete the wizard in
conditions appropriate for your boat.
Important Sea Trial Wizard Considerations
The Sea Trial Wizard must be completed in calm water.
Because the nature of calm water is relative to the size and
shape of the boat, before you begin the Sea Trial Wizard, the
boat must be in an appropriate location.
• The boat must not rock while sitting still or moving very
slowly.
• The boat must not be significantly affected by the wind.
While completing the Sea Trial Wizard, observe these
considerations.
• Weight on the boat must remain balanced. While completing
any of the steps in the Sea Trial Wizard, do not move around
on the boat.
Performing the Sea Trial Wizard
1
Drive your boat to an open area of calm water.
2
Select Menu > Setup > Dealer Autopilot Setup > Wizards
> Sea Trial Wizard.
3
If necessary, configure the planing RPM.
This step applies only to planing-hull power boats with the
speed source set to Tach. - NMEA 2000 or Proprietary.
4
If necessary, configure the planing speed.
This step applies only to planing-hull power boats with the
speed source set to GPS.
5
If necessary, configure the high RPM limit.
This step applies only to power boats with the speed source
set to Tach. - NMEA 2000 or Proprietary or GPS.
6
If necessary, configure the maximum speed.
This step applies only to power boats with the speed source
set to GPS.
7
Calibrate the compass (Calibrating the Compass).
8
Perform the Autotune procedure (Performing the Autotune
Procedure).
9
Set north (Setting North) if GPS-heading information is
available, or set the fine heading adjustment (Setting the Fine
Heading Adjustment) if GPS-heading information is not
available.
Calibrating the Compass
1
Select an option:
• If you are performing this procedure as part of the Sea
Trial Wizard, select Begin.
• If you are performing this procedure outside of the Sea
Trial Wizard, from the heading screen, select Menu >
Setup > Dealer Autopilot Setup > Compass Setup >
Calibrate Compass > Begin.
2
Follow the directions on the helm control until calibration is
complete, taking care to keep the boat as steady and flat as
possible.
The boat should not list during calibration.
3
Select an option:
• If the calibration completes successfully, select Done.
• If the calibration is not successful, select Retry and repeat
steps 1 through 3.
When the calibration is complete, calibration values are
displayed. You can use these values to determine the quality of
the calibration procedure.
Compass-Calibration Values
After the compass calibration process is complete, you can
review the results provided on the helm control to determine the
successfulness of the calibration.
Magnetic Environment: Indicates the level of distortion of the
Earth's magnetic field at the mounting location.
• A value of 100 indicates the device experiences no
magnetic interference at the mounting location.
• If this value is low, you might need to move the CCU and
calibrate the compass again.
• A value of 100 is ideal, but it is not necessary for the
autopilot to function correctly. If the CCU is mounted in an
optimal location on your boat, you should continue
configuring the autopilot and evaluate the performance
again later.
Spin Quality: Represents how level the boat remained during
the compass-calibration process.
• A value of 100 indicates the boat remained perfectly level
during compass calibration.
• If this value is low, you might need to calibrate the
compass again.
Performing the Autotune Procedure
Before you can begin this procedure, you must have a large
stretch of open water available.
1
Adjust the throttle so the boat travels at a typical cruising
speed that provides responsive steering.
2
Select an option:
• If you are performing this procedure as part of the Sea
Trial Wizard, select Begin.
• If you are performing this procedure outside of the Sea
Trial Wizard, from the heading screen, select Menu >
Setup > Dealer Autopilot Setup > Autopilot Tuning >
Autotune > Begin.
The boat performs various zigzag motions while the Autotune
is in progress.
3
After the procedure is finished, follow the on-screen
instructions.
4
Select an option:
• If the Autotune procedure is not successful, but you have
not reached maximum cruising speed, increase the speed
and repeat steps 1 through 3 until the Autotune
procedure completes successfully.
• If the Autotune procedure is not successful, and you have
reached maximum cruising speed, reduce your speed to
the initial Autotune speed and select Alternate Autotune
to begin an alternate procedure.
When the Autotune procedure is complete, gain values are
displayed. You can use these values to determine the quality of
the Autotune procedure.
Autotune Gain Values
After the autotune procedure is complete, you can review the
gain values provided on the helm control. You can record these
numbers for reference if you want to run the autotune procedure
at a later time or if you want to manually adjust the gain settings
(not recommended) (Adjusting the Autopilot Gain Settings).
Gain: Sets how tightly the autopilot holds the heading and how
aggressively it makes turns.
Counter Gain: Sets how aggressively the autopilot adjusts any
over-steering after making a turn.
Setting North
Before you can begin this procedure, you must have a large
stretch of open water available.
NOTE: If you followed the guidelines when mounting the CCU,
this procedure may not be necessary (CCU Mounting and
Connection Considerations).
This procedure appears if the autopilot is connected to an
optional GPS device (Connecting Optional NMEA 2000 Devices
to the Autopilot System), and the device has acquired a GPS
8
position. During this procedure, the autopilot uses the GPS
heading information to calibrate north on the autopilot system.
If you do not have a GPS device connected, you are prompted
to set the fine heading adjustment instead (Setting the Fine
Heading Adjustment).
1
Drive your boat at cruising speed in a straight line.
2
Select an option:
• If you are performing this procedure as part of the Sea
Trial Wizard, select Begin.
• If you are performing this procedure outside of the Sea
Trial Wizard, from the heading screen, select Menu >
Setup > Dealer Autopilot Setup > Compass Setup >
Set North > Begin.
3
Continue to drive the boat at cruising speed in a straight line
and follow the on-screen instructions.
4
Select an option:
• If the calibration completes successfully, select Done.
• If the calibration is not successful, repeat steps 1 through
3.
Setting the Fine Heading Adjustment
This procedure appears only if you do not have an optional GPS
device connected to the autopilot (Connecting Optional NMEA
2000 Devices to the Autopilot System). If the autopilot is
connected to a GPS device that has acquired a GPS position,
you are prompted to set north instead (Setting North).
1
Using a handheld compass, identify north.
2
Select an option:
• If you are performing this procedure as part of the Sea
Trial Wizard, adjust the fine heading setting until it
matches north on the magnetic compass.
• If you are performing this calibration outside of the Sea
Trial Wizard, from the heading screen, select Menu >
Setup > Dealer Autopilot Setup > Compass Setup >
Fine Heading Adjustment, and adjust the fine heading
setting until it matches north on the magnetic compass.
3
Select Done.
Testing and Adjusting the Configuration
NOTICE
Test the autopilot at a slow speed. After the autopilot has been
tested and adjusted at a slow speed, test it at a higher speed to
simulate normal operating conditions.
1
Drive the boat in one direction with the autopilot engaged
(heading hold).
The boat may oscillate slightly, but it should not oscillate
significantly.
2
Turn the boat in one direction using the autopilot and observe
the behavior.
The boat should turn smoothly, not too quickly or too slowly.
When you turn the boat using the autopilot, the boat should
approach and settle on the desired heading with minimal
overshoot and oscillation.
3
Select an option:
• If the boat turns too quickly or too sluggishly, adjust the
autopilot acceleration limiter (Adjusting the Acceleration
Limiter Settings).
• If the heading hold oscillates significantly or the boat does
not correct when turning, adjust the autopilot gain
(Adjusting the Autopilot Gain Settings).
• If the boat turns smoothly, the heading hold oscillates only
slightly or not at all, and the boat adjusts the heading
correctly, the configuration is correct, and no further
adjustments are necessary.
Adjusting the Acceleration Limiter Settings
1
Enable Dealer Mode (Enabling Dealer Configuration).
2
Select Menu > Setup > Dealer Autopilot Setup > Autopilot
Tuning > Acceleration Limiter.
3
Select an option:
• Increase the setting if the autopilot turns too quickly.
• Decrease the setting if the autopilot turns too slowly.
When you manually adjust the acceleration limiter, make
relatively small adjustments. Test the change before making
additional adjustments.
4
Test the autopilot configuration.
5
Repeat steps 3–4 until the autopilot performance is
satisfactory.
Adjusting the Autopilot Gain Settings
1
Enable Dealer Mode (Enabling Dealer Configuration).
2
Select Menu > Setup > Dealer Autopilot Setup > Autopilot
Tuning > Rudder Gains.
3
Select an option based on the type of boat:
• If you have a sailboat, a displacement-hull powerboat, or a
powerboat with the speed source set to None, select Gain
and adjust how tightly the rudder holds the heading and
makes turns.
If you set this value too high, the autopilot may be
overactive and attempt to constantly adjust the heading at
the slightest deviation. An overactive autopilot can drain
the battery at a faster-than-normal rate.
• If you have a sailboat, a displacement-hull powerboat, or a
powerboat with the speed source set to None, select
Counter Gain and adjust how tightly the rudder corrects
the turn overshoot.
If you set this value too low, the autopilot can overshoot
the turn again when it attempts to counter the original turn.
• If you have a planing-hull powerboat with the speed
source set to Tach. - NMEA 2000 or Proprietary or GPS,
select Low Speed or High Speed and adjust how tightly
the rudder holds the heading and makes turns at low
speed or high speed.
If you set this value too high, the autopilot may be
overactive and attempt to constantly adjust the heading at
the slightest deviation. An overactive autopilot can drain
the battery at a faster-than-normal rate.
• If you have a planing-hull powerboat with the speed
source set to Tach. - NMEA 2000 or Proprietary or GPS,
select Low Speed Counter or High Speed Counter to
adjust how tightly the rudder corrects the turn overshoot.
If you set this value too low, the autopilot can overshoot
the turn again when it attempts to counter the original turn.
4
Test the autopilot configuration, and repeat steps 2 and 3
until the autopilot performance is satisfactory.
Advanced Configuration
Advanced configuration options are not available on the helm
control under normal conditions. To access the advanced
configuration settings of the autopilot, you must first enable
Dealer Mode (Enabling Dealer Configuration).
Enabling Dealer Configuration
1
From the heading screen, select Menu > Setup > System >
System Information.
2
Hold the center key for 5 seconds.
Dealer Mode appears.
3
Select Back > Back.
If the option for Dealer Autopilot Setup is available on the Setup
screen, the procedure was successful.
9
Advanced Configuration Settings
You can run the autotune process, calibrate the compass, and
define north on the autopilot without running the wizards. You
can also define each setting individually, without running the
configuration processes.
Running the Automated Configuration Processes Manually
1
Enable Dealer Mode (Enabling Dealer Configuration).
2
From the heading screen, select Menu > Setup > Dealer
Autopilot Setup.
3
Select an automated process:
• Select Compass Setup > Calibrate Compass to start the
compass calibration procedures (Calibrating the
Compass).
• Select Compass Setup > Set North to start the
procedures to define north (Setting North).
• Select Autopilot Tuning > Autotune to start the
automatic autopilot tuning procedures (Performing the
Autotune Procedure).
4
Follow the on-screen instructions.
Defining Individual Configuration Settings Manually
Configuring certain configuration settings may require you to
modify other settings. Review the "Detailed Configuration
Settings" section (Detailed Configuration Settings) prior to
modifying any settings.
1
Enable Dealer Mode (Enabling Dealer Configuration).
2
From the heading screen, select Menu > Setup > Dealer
Autopilot Setup.
3
Select a setting category.
4
Select a setting to configure.
Descriptions of each setting are available in the appendix
(Detailed Configuration Settings).
5
Configure the value of the setting.
Appendix
NMEA 0183 Connection Diagrams
These wiring diagrams are examples of different situations you
may encounter when connecting your NMEA 0183 device to the
helm control.
NMEA 0183 Connection Considerations
• The installation instructions provided with your NMEA 0183
compatible device should contain the information you need to
identify the transmitting (Tx) and receiving (Rx) A (+) and B
(-) wires.
• When connecting NMEA 0183 devices with two transmitting
and two receiving wires, it is not necessary for the NMEA
2000 bus and the NMEA 0183 device to connect to a
common ground.
• When connecting a NMEA 0183 device with only one
transmitting (Tx) wire or with only one receiving (Rx) wire, the
NMEA 2000 bus and the NMEA 0183 device must be
connected to a common ground.
Two-Way NMEA 0183 Communication
À
NMEA 2000 network (provides power to the helm control)
Á
12 Vdc power source
Â
Helm control
Ã
NMEA 0183-compatible device
Wire Helm Control Wire Color —
Function
NMEA 0183-Compatible
Device Wire Function
Ê
N/A Power
Ë
N/A NMEA 0183 ground
Ì
Blue — Tx/A (+) Rx/A (+)
Í
White — Tx/B (-) Rx/B (-)
Î
Brown — Rx/A (+) Tx/A (+)
Ï
Green — Rx/B (-) Tx/B (-)
NOTE: When connecting a NMEA 0183 device with two
transmitting and two receiving lines, it is not necessary for the
NMEA 2000 bus and the NMEA 0183 device to connect to a
common ground.
Only One Receiving Wire
If your NMEA 0183-compatible device has only one receiving
wire (Rx), it must be connected to the blue wire (Tx/A) from the
helm control, and the white wire (Tx/B) from the helm control
must remain unconnected.
À
NMEA 2000network (provides power to the helm control)
Á
12 Vdc power source
Â
Helm control
Ã
NMEA 0183-compatible device
Wire Helm Control Wire Color —
Function
NMEA 0183-Compatible
Device Wire Function
Ê
N/A Power
Ë
N/A NMEA 0183 ground
Ì
Blue — Tx/A (+) Rx
Í
White — unconnected N/A
Î
Brown — Rx/A (+) Tx/A (+)
Ï
Green — Rx/B (-) Tx/B (-)
NOTE: When connecting a NMEA 0183 device with only one
receiving (Rx) line, the NMEA 2000 bus and the NMEA 0183
device must be connected to a common ground.
Only One Transmitting Wire
If your NMEA 0183-compatible device has only one transmitting
wire (Tx), it must be connected to the brown wire (Rx/A) from the
helm control, and the green wire (Rx/B) from the helm control
must be connected to NMEA 0183 ground.
10
À
NMEA 2000 network (provides power to the helm control)
Á
12 Vdc power source
Â
Helm control
Ã
NMEA 0183-compatible device
Wire Helm Control Wire Color —
Function
NMEA 0183-Compatible
Device Wire Function
Ê
N/A Power
Ë
Green — Rx/B (-) (connect to
NMEA 0183 ground)
NMEA 0183 ground
Ì
Blue — Tx/A (+) Rx/A (+)
Í
White — Tx/B (-) Rx/B (-)
Î
Brown — Rx/A (+) Tx/A (+)
NOTE: When connecting a NMEA 0183 device with only one
transmitting (Tx) line, the NMEA 2000 bus and the NMEA 0183
device must be connected to a common ground.
Specifications
CCU
Specification Measurement
Dimensions (L × W × H) 170 × 90 × 50 mm (6.7 × 3.5 × 2 in.)
Weight 200 g (7 oz.)
Temperature range From -15° to 70°C (from 5° to 158°F)
Material Fully gasketed, high-impact plastic
Water resistance IEC 60529 IPX7*
CCU cable length 5 m (16 ft.)
NMEA 2000 input voltage From 9 to 16 Vdc
NMEA 2000 LEN 4 (200 mA)
*The device withstands incidental exposure to water of up to 1 m for up
to 30 min. For more information, go to www.garmin.com/waterrating.
ECU
Specification Measurement
Dimensions (W × H × D) 168 × 117 × 51 mm (6.6 × 4.6 × 2 in.)
Weight 680 g (24 oz.)
Temperature range From -15° to 60°C (from 5° to 140°F)
Material Fully gasketed, high-impact aluminum
alloy
Water resistance IEC 60529 IPX7*
Power cable length 2.7 m (9 ft.)
Input voltage From 11.5 to 30 Vdc
Fuse 40 A, blade-type
Main power usage 1 A (not including the pump)
*The device withstands incidental exposure to water of up to 1 m for up
to 30 min. For more information, go to www.garmin.com/waterrating.
Helm Control
Specification Measurement
Dimensions without sun cover (H
× W × D)
110 x 115 x 30 mm (4.33 x 4.53 x
1.18 in.)
Dimensions with sun cover (H ×
W × D)
115 x 120 x 35.5 mm (4.53 x 4.72 x
1.40 in.)
Weight without sun cover 247 g (8.71 oz.)
Weight with sun cover 283 g (9.98 oz.)
Temperature range From -15° to 70°C (from 5° to
158°F)
Compass-safe distance 209 mm (8.25 in.)
Material Case: fully-gasketed polycarbonate
Lens: glass with an anti-glare
treatment
Water resistance IEC 60529 IPX7*
Power usage 2.5 W max
Unit max. voltage 32 Vdc
NMEA 2000 input voltage 9 to 16 Vdc
NMEA 2000 (LEN) 6 (300 mA at 9 Vdc)
*The device withstands incidental exposure to water of up to 1 m for up
to 30 min. For more information, go to www.garmin.com/waterrating.
Alarm
Specification Measurement
Dimensions (L×diameter)
29
/
32
× 1 in. (23 × 25 mm)
Weight 2.4 oz. (68 g)
Temperature range From 5°F to 140°F (from -15°C to 60°C)
Cable length 10 ft. (3.0 m)
NMEA 2000 PGN Information
CCU
Type PGN Description
Transmit and
receive
059392 ISO acknowledgment
059904 ISO request
060928 ISO address claim
126208 NMEA: Command/Request/Acknowledge
group function
126464 Transmit/Receive PGN list group function
126996 Product information
127257 Transmit/Receive attitude data
127251 Transmit/Receive rate of turn
Transmit only 127250 Vessel heading
Receive only 127258 Magnetic variation
127488 Engine parameters: Rapid update
128259 Water speed
129025 Position: Rapid update
129026 COG & SOG: Rapid update
129283 Cross track error
129284 Navigation data
130306 Wind data
Helm Control
Type PGN Description
Transmit and
receive
059392 ISO Acknowledgment
059904 ISO Request
060928 ISO Address Claim
126208 NMEA - Command/Request/Acknowledge
Group Function
126464 Transmit/Receive PGN List Group Function
126996 Product Information
11
Type PGN Description
Transmit only 128259 Water Speed
129025 Position - Rapid Update
129026 COG & SOG - Rapid Update
129283 Cross Track Error
129284 Navigation Data
129540 GNSS Satellites in View
130306 Wind Data
Receive only 127245 Rudder Data
127250 Vessel Heading
127488 Engine Parameters - Rapid Update
128259 Water Speed
129025 Position - Rapid Update
129029 GNSS Position Data
129283 Cross-Track Error
129284 Navigation Data
129285 Navigation - Route/WP information
130306 Wind Data
130576 Small Craft Status
NMEA 0183 Information
When connected to optional NMEA 0183-compatible devices,
the autopilot uses the following NMEA 0183 sentences.
Type Sentence
Transmit hdg
Receive wpl
gga
grme
gsa
gsv
rmc
bod
bwc
dtm
gll
rmb
vhw
mwv
xte
Error and Warning Messages
Error Message Cause Autopilot Action
ECU Voltage is Low The pump supply voltage
has fallen below 10 Vdc
for longer than 6 seconds.
• Alarm sounds for
5 seconds
• Continues in
normal operation
Autopilot is not
receiving navigation
data. Autopilot placed
in Heading Hold.
The autopilot is no longer
receiving valid navigation
data while performing a
Route To maneuver.
This message also
appears if navigation is
stopped on a chartplotter
before the autopilot is
disengaged.
• Alarm sounds for
5 seconds
• Autopilot
transitions to
heading hold
Connection with
Autopilot Lost
The helm control has lost
connection with the CCU.
N/A
Lost Wind Data
(sailboat only)
The autopilot is no longer
receiving valid wind data.
• Alarm sounds for
5 seconds
• Autopilot
transitions to
heading hold
Error Message Cause Autopilot Action
Low GHC
™
Supply
Voltage
The supply voltage level
has fallen below the value
specified in the low
voltage alarm menu.
N/A
Error: ECU High
Voltage
The pump supply voltage
has risen above 33.5 Vdc.
• Alarm sounds for
5 seconds
• The ECU shuts
down
Error: ECU Voltage
has Dropped Rapidly
The ECU voltage has
dropped quickly below
7.0 Vdc.
• Alarm sounds for
5 seconds
• The error is
cleared when the
ECU voltage
rises above
7.3 Vdc.
Error: ECU High
Temperature
The ECU temperature has
risen above 100°C
(212°F ).
• Alarm sounds for
5 seconds
• The ECU shuts
down
Error: Lost
Communication
Between ECU and
CCU (when the
autopilot is engaged)
Communication between
the CCU and the pump
has timed out.
• The helm control
beeps, and
autopilot
transitions to
standby.
Detailed Configuration Settings
Although all of the configuration is typically completed
automatically through wizards, you can manually adjust any
setting to fine-tune the autopilot.
Advanced configuration settings are available only when using
Dealer Mode (Enabling Dealer Configuration). User-specific
settings are available during normal operation of the autopilot.
See the configuration section of the owner's manual provided
with the autopilot for more information.
NOTE: Depending upon the configuration of the autopilot,
certain settings may not appear.
NOTE: On a powerboat, each time you change to the Speed
Source setting, you must review the Verify Tachometer, Low
RPM Limit, High RPM Limit, Planing RPM, Planing Speed, or
Max. Speed settings, where applicable, before performing the
autotune procedure (Performing the Autotune Procedure).
Autopilot Tuning Settings
To open the general autopilot tuning settings, select Menu >
Setup > Dealer Autopilot Setup.
Acceleration Limiter: Allows you to limit the speed of autopilot-
controlled turns. You can increase the percentage to limit the
turn rate, and decrease the percentage to allow higher turn
rates.
Speed Source Settings
NOTE: Speed source settings are available only for power
boats.
To open the speed source settings, select Menu > Setup >
Dealer Autopilot Setup > Speed Source Setup.
Speed Source: Allows you to select the speed source.
Verify Tachometer: Allows you to compare the RPM readings
on the helm control with the tachometers on the dashboard of
your boat.
Planing RPM: Allows you to adjust the RPM reading on the
helm control at the point when your boat transitions from
displacement to planing speed. If the value does not match
the value on the helm control, you can adjust the value.
Planing Speed: Allows you to adjust the planing speed of your
boat. If the value does not match the value on the helm
control, you can adjust the value.
Low RPM Limit: Allows you to adjust the lowest RPM point of
your boat. If the value does not match the value on the helm
control, you can adjust the value.
12
High RPM Limit: Allows you to adjust the highest RPM point of
your boat. If the value does not match the value on the helm
control, you can adjust the value.
Max. Speed: Allows you to adjust the maximum speed of your
boat. If the value does not match the value on the helm
control, you can adjust the value.
Rudder Gain Settings
NOTE: If you set these values too high or too low, the autopilot
may become overactive, attempting to constantly adjust the
heading at the slightest deviation. An overactive autopilot can
cause excess wear on the pump and drain the battery at a
faster-than-normal rate.
Select Menu > Setup > Dealer Autopilot Setup > Rudder
Gains.
NOTE: These settings apply only to sailboats, displacement-hull
powerboats, and powerboats with the speed source set to None.
Gain: Allows you to adjust how tightly the rudder holds a
heading and makes turns.
Counter Gain: Allows you to adjust how tightly the rudder
corrects turn overshoot. If you set this value too low, the
autopilot can overshoot a turn when attempting to counter the
original turn.
NOTE: These settings apply only to planing-hull powerboats
with the speed source set to Tach. - NMEA 2000 or Proprietary
or GPS.
Low Speed: Allows you to set the rudder gain for low speeds.
This setting applies when the vessel operates below planing
speed.
Low Speed Counter: Allows you to set the rudder gain counter-
correction for low speeds. This setting applies when the
vessel operates below planing speed.
High Speed: Allows you to set the rudder gain for high speeds.
This setting applies when the vessel operates above planing
speed.
High Speed Counter: Allows you to set the rudder gain counter-
correction for high speeds. This setting applies when the
vessel operates above planing speed.
Steering System Settings
To open the steering system settings, select Menu > Setup >
Dealer Autopilot Setup > Steering System Setup.
Verify Steering Dir.: Allows you to set the direction the rudder
must move to turn the vessel to port and to starboard. You
can test and reverse the steering direction if necessary.
Rudder Sensor Settings
NOTE: Rudder sensor settings apply only when a rudder sensor
is connected to the autopilot system.
To open the rudder sensor settings, select Menu > Setup >
Dealer Autopilot Setup > Steering System Setup > Rudder
Sensor Setup.
Max. Port Angle: Allows you to enter the angle at which your
rudder turns furthest port.
Max. Starboard Angle: Allows you to enter the angle at which
your rudder turns furthest starboard.
Calibrate Rudder Sensor: Initiates a procedure that establishes
the maximum range of movement of the rudder and
calibrates the rudder-position sensor. If an error appears
during the calibration, the rudder-position sensor has likely
reached its limit. The sensor might not be correctly installed.
If the problem persists, you can bypass this error by moving
the rudder to the farthest position that does not report an
error.
Calibrate Rudder Center: Initiates a procedure that establishes
the center position of the rudder. You can use this calibration
if the on-screen rudder position indicator does not match the
true rudder center on your boat.
Registering Your Device
Help us better support you by completing our online registration
today.
• Go to http://my.garmin.com.
• Keep the original sales receipt, or a photocopy, in a safe
place.
Contacting Garmin Product Support
• Go to www.garmin.com/support and click Contact Support
for in-country support information.
• In the USA, call (913) 397.8200 or (800) 800.1020.
• In the UK, call 0808 2380000.
• In Europe, call +44 (0) 870.8501241.
13
Garmin
®
and the Garmin logo are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. GHP
™
, GHC
™
, Reactor
™
, and Shadow Drive
™
are trademarks of Garmin Ltd. or its
subsidiaries. These trademarks may not be used without the express permission of Garmin.
NMEA
®
, NMEA 2000
®
, and the NMEA 2000 logo are trademarks of the National Marine Electronics Association.
© 2014 Garmin Ltd. or its subsidiaries www.garmin.com/support
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Garmin Pacote principal de piloto automatico hidraulico GHP Reactor Guida d'installazione
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